On Mon, 26 Aug 2013 14:29:07 -0400 Dave Jones <[email protected]> wrote:
> On Mon, Aug 26, 2013 at 02:18:14PM -0400, Steven Rostedt wrote: > > On Mon, 26 Aug 2013 13:50:12 -0400 > > Dave Jones <[email protected]> wrote: > > > > > > This was triggered as a regular user fwiw. > > > I had not been running perf, or any other tracing. It was just left > > > fuzzing over the weekend with no interaction at all. > > > > So you are telling me that ftrace was enabled by a regular user? If so, > > that's a huge issue. > > quite. > > > So my question to you. If you were not running perf or any other > > tracing, and this is all just non-root user. How the hell did perf > > function tracing get started on your box???? > > What mechanisms are available that would trigger it being enabled ? > > Is there some path through sys_perf_open_event that might be > missing a capability check perhaps ? > That's a question for Ingo, Peter or Jiri. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
